Prices shown for the used 2007 Audi S4 Sedan 4D S4 Quattro with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

With the sure-footedness of Audi's world-class quattro all-wheel-drive system, more power from two new engines, the availability of both a wagon and a convertible, and the always-addictive oomph of ...

the S4 is the mid-level performance version of the Audi A4 saloon. Swapping between twin-turbocharged, supercharged V6 and even a naturally aspirated V8 engine in times gone by, the B9 S4 returned ...